Nothings wrong with them, they just occupy a similar place in my mind as a tablet: Once popular for casual use but ended up as an awkward middle grounds between mobile phones and desktops that are now only used for business or school work.
Okay, but that's a giant market. There were 75.2 million students enrolled in the U.S. in 2022. That's 75.2 million potential notebook users even if their school systems don't offer that. So I think there's a justifiable market.
I imagine lots of people, otherwise why do they keep making them.
You should try viewing the world from a different perspective other than your own. There are billions of us, each living equally as important lives as yours.